Suzuki Skywave 400 (AN400 Gen 2) — OEM Fluid, Tire Pressure & Maintenance Specs
399cc Liquid-Cooled Single DOHC 4-Valve (Twin Front Discs · 62L Trunk) · Source: Suzuki Skywave 400 (AN400 Gen 2) (2007–2016) Official Owner’s Manual Maintenance Specifications
According to the Suzuki Skywave 400 (AN400 Gen 2) (2007–2016) Official Owner’s Manual Maintenance Specifications, the 2007–2016 Suzuki Skywave 400 (AN400 Gen 2) (chassis CK44A/CK45A/WVCG) requires 1.2 L (1.27 US qt) of SAE 10W-40 (JASO MB, API SJ/SL) engine oil for a drain-only change and 1.3 L (1.37 US qt) with filter service (16510-05240 / HF132). Standard solo cold tire pressure is 225 kPa / 2.25 bar / 33 PSI front (120/80-14 M/C 58S) and 250 kPa / 2.50 bar / 36 PSI rear (150/70-13 M/C 64S), paired with 1× NGK CR7E / MR8E-9 spark plug(s) and a FTZ9-BS / YTX12-BS battery.
Drain only: 1.2 L (1.27 US qt)
R 250 kPa (2.50 bar)
Est. Range: ~317 km (197 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Dry Centrifugal CVT Belt Drive |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-40 · JASO MB · API SJ/SL |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 1.2 L (1.27 US qt) • With filter/strainer: 1.3 L (1.37 US qt) • Complete dry overhaul: 1.5 L (1.59 US qt) |
| OEM Oil Filter Code & Type | 16510-05240 / HF132 |
| Correct Oil Level Check Method | Hold bike upright on level ground 3–5 min after warm shutdown; read crankcase sight glass |
| Oil Drain Bolt Torque | 23 N·m (17.0 lb-ft / 2.35 kgf·m) — Use fresh crush washer |
| Final Drive / Bevel Gear Oil | 190 ml (0.19 L) — SAE 10W-40 / Hypoid 80W-90 (190 ml final reduction oil) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 120/80-14 M/C 58S · Rear: 150/70-13 M/C 64S (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 225 kPa / 2.25 bar / 33 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 225 kPa / 2.25 bar / 33 PSI Rear: 280 kPa / 2.80 bar / 41 PSI |
| OEM Spark Plug & Quantity | NGK CR7E / MR8E-9 × 1 (Gap: 0.7–0.8 mm) |
| OEM Battery Code & Rating | FTZ9-BS / YTX12-BS (12V 8.0–10Ah MF AGM) |
| Final Drive Maintenance | Dry V-Belt CVT Drive — Inspect/replace V-belt and rollers every 20,000–24,000 km |
| Brake Fluid & Coolant | DOT 4 · Silicate-free ethylene-glycol OAT coolant for aluminum radiators (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 399 cc · 34 hp @ 7,300 rpm · 36 N·m (26.6 lb-ft) @ 5,800 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 710 mm (28.0 in) · 222 kg (489 lbs) |
| Fuel Tank & Est. Real-World Range | 13.5 L (3.6 US gal) · ~23.5 km/L → ~317 km (197 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 6,000 km / 12,000 km • Air Filter / Spark Plug: 12,000 km / 12,000 km • Valve Clearance Check: 24,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Pre-2018 wide-body generation (CK44A/CK45A) offering 34 hp DOHC top-end power and a massive 62 L underseat trunk before the DU11 redesign.
Oil & Clutch Mechanical Engineering Note
Suzuki Burgman maxi-scooter platform using internal filter HF132 and rear gear oil (note Burgman 650 SECVT uses wet-clutch JASO MA + spin-on HF138).